Home / 9,963.30-13,750.92-6,570.21

Finding the Fourth Proportional to 9,963.30, 13,750.92 and 6,570.21

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Solution

The fourth proportional to 9,963.30, 13,750.92 and 6,570.21 is: 9,067.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,963.30 : 13,750.92 = 6,570.21 : x
  2. Step 2: Convert to fraction form
    9,963.30/13,750.92 = 6,570.21/x
  3. Step 3: Cross multiply
    9,963.30x = 13,750.92 × 6,570.21
  4. Step 4: Simplify right side
    9,963.30x = 90,346,432.09
  5. Step 5: Solve for x
    x = 90,346,432.09/9,963.30
  6. Step 6: Final answer
    x = 9,067.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.